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Finding the Third Proportional to 8,367,986 and 12,930,672

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Solution

The third proportional to 8,367,986 and 12,930,672 is: 19,981,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367,986 : 12,930,672 = 12,930,672 : x
  2. Step 2: Convert to fraction form
    8,367,986/12,930,672 = 12,930,672/x
  3. Step 3: Cross multiply
    8,367,986x = 12,930,672 × 12,930,672
  4. Step 4: Simplify right side
    8,367,986x = 167,202,278,371,584
  5. Step 5: Solve for x
    x = 167,202,278,371,584/8,367,986
  6. Step 6: Final answer
    x = 19,981,185.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.